Plant explosion near Waco

April 18, 2013 |Houston Chronicle web staff

Rescue workers searched rubble that witnesses compared to a war zone early Thursday for survivors of a fertilizer plant explosion in a small Texas town. The blast injured more than 160 people and killed between five and 15.

FREDERIC J. BROWN/AFP/Getty Images

10of77

Vehicles wait in line while headed to a distribution center where supplies like water and clothing, including medical supplies, are being dropped off or picked up as needed, in West, Texas, on April 19 2013, two days after a deadly fertilizer plant blast occured. While rescuers in Texas were set to return to the rubble in their continuing search for survivors after the massive blast killed as many as 15 people and destroyed dozens of homes, all roads leading to the area of destruction have been closed off and manned by various state authorities controlling the entry and exit of vehicles and people.AFP PHOTO/Frederic J. BROWNFREDERIC J. BROWN/AFP/Getty Images

FREDERIC J. BROWN/AFP/Getty Images

10of77

Vehicles wait in line while headed to a distribution center where supplies like water and clothing, including medical supplies, are being dropped off or picked up as needed, in West, Texas, on April 19 2013, two days after a deadly fertilizer plant blast occured. While rescuers in Texas were set to return to the rubble in their continuing search for survivors after the massive blast killed as many as 15 people and destroyed dozens of homes, all roads leading to the area of destruction have been closed off and manned by various state authorities controlling the entry and exit of vehicles and people.AFP PHOTO/Frederic J. BROWNFREDERIC J. BROWN/AFP/Getty Images